Add APPLICATIONINSIGHTS for Registration Service to cloud deployment

[Izzzu]

What this PR changes/adds

Add Application insights connection string to Registration Service deployment set up.

Why it does that

To enable collecting traces, logs and metrics in Azure Insights for Registration Service instance.

Further notes

Fix after upgrading Registration Service version: use ParticipantDto in RegistrationServiceNodeDirectory class.

Linked Issue(s)

Linked to #247

Checklist

• [ ] added appropriate tests?
• [ ] performed checkstyle check locally?
• [ ] added/updated copyright headers?
• [ ] documented public classes/methods?
• [ ] added/updated relevant documentation?
• [ ] added relevant details to the changelog? (skip with label no-changelog)
• [ ] formatted title correctly?

[github-actions[bot]]

Unit Test Results

0 tests   - 18   0 :heavy_check_mark:  - 17   0s :stopwatch: -38s 0 suites  -   6   0 :zzz:  -   1  0 files    -   6   0 :x: ±  0 

Results for commit 92cb3d42. ± Comparison against base commit 6af8b571.

:recycle: This comment has been updated with latest results.